
#include <stdio.h>
int main()
{

   
    printf("hello world\n");
    

    uint8_t USART5_RxBuff[1024];		//不定长接收缓冲区
    uint8_t USART5_RxCounter;				//不定长接受标志位

    HAL_UART_Receive_IT(&huart5,USART5_RxBuff,1024);	//串口接收中断
      __HAL_UART_ENABLE_IT(&huart5,UART_IT_IDLE);		//串口空闲中断


    return 0;
}

#include<stdio.h>
int main()
{

    int a,b;

    return 0;
}

